[patch] testsuite fix for math tests on darwin

[Dale Johannesen]

On Jun 6, 2004, at 9:49 AM, Gabriel Dos Reis wrote:

> Dale Johannesen <dalej@apple.com> writes:
>
> | On Jun 6, 2004, at 6:27 AM, Andreas Tobler wrote:
> | > darwin has some C99 math functions in the libmx instead of libm, so
> | > we should add the -lmx to the tests where we need these functions.
> | > The attached patch fixes three failures of the libstdc++ suite.
> | > Unfortunately I did not find the cabsl in libmx.
> |
> | There's been some discussion of this issue at Apple.  I think we're
> | leaning in the direction
> | of having the driver include -lmx automagically.  In fact I thought
> | Andrew already had a
> | patch in that did this for C++.   Comments?
>
> I think that is the obvious solution, at least as far as V3 is
> concerned.  We don't require user to say -lm when they use C++.
> I consider it to be a bug that the C driver requires that explicit
> setting a bug -- but, hey, that is a different story :-)

It doesn't on Darwin, actually, because the C89 math functions are in
the libc-equivalent (libSystem).  This suggests that the C driver
also ought to include -lmx on Darwin.  (Yes, the packaging is strange.)